#include <bits/stdc++.h>
using namespace std;
int n;
int a[1000010],st[1000010];
int tree[4000040],tree1[4000040];
void build_tree(int v, int tl, int tr) {
if (tl == tr) {
tree[v] = a[tl];
} else {
int tm = (tl + tr) / 2;
build_tree(v * 2, tl, tm);
build_tree(v * 2 + 1, tm + 1, tr);
tree[v] = min(tree[v * 2], tree[v * 2 + 1]);
}
}
void build_tree1(int v, int tl, int tr) {
if (tl == tr) {
tree1[v] = a[tl];
} else {
int tm = (tl + tr) / 2;
build_tree1(v * 2, tl, tm);
build_tree1(v * 2 + 1, tm + 1, tr);
tree1[v] = max(tree1[v * 2], tree1[v * 2 + 1]);
}
}
int get_min(int l, int r, int v, int tl, int tr) {
if (l <= tl && tr <= r) {
return tree[v];
}
if (tr < l || r < tl) {
return INT_MAX;
}
int tm = (tl + tr) / 2;
return min(get_min(l, r, v * 2, tl, tm),
get_min(l, r, v * 2 + 1, tm + 1, tr));
}
int get_max(int l, int r, int v, int tl, int tr) {
if (l <= tl && tr <= r) {
return tree1[v];
}
if (tr < l || r < tl) {
return 0;
}
int tm = (tl + tr) / 2;
return max(get_max(l, r, v * 2, tl, tm),
get_max(l, r, v * 2 + 1, tm + 1, tr));
}
int main(){
ios::sync_with_stdio(false);
cin.tie(0); cout.tie(0);
int n,m;
cin >> n >> m;
for(int i=1;i<=n;i++){
cin >> a[i];
}
build_tree(1, 1, n);
build_tree1(1, 1, n);
st[1]=0;
for(int i=1;i<n;i++){
if(a[i+1]>=a[i]){
st[i+1]=st[i]+1;
}
else{
st[i+1]=0;
}
}
for(int i=0;i<m;i++){
int l,r,k;
cin >> l >> r >> k;
if(l==r){
cout << 1 << endl;
continue;
}
if(r-st[r]<=l){
cout << 1 << endl;
continue;
}
if(get_min(l,r-st[r],1,1,n)+get_max(l,r-st[r],1,0,n)<=k){
cout << 1 << endl;
}
else{
cout << 0 << endl;
}
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
6492 KB |
Output is correct |
2 |
Correct |
1 ms |
6492 KB |
Output is correct |
3 |
Incorrect |
2 ms |
6616 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
6492 KB |
Output is correct |
2 |
Correct |
1 ms |
6492 KB |
Output is correct |
3 |
Incorrect |
2 ms |
6616 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2477 ms |
59724 KB |
Output is correct |
2 |
Correct |
2566 ms |
60700 KB |
Output is correct |
3 |
Correct |
2469 ms |
60400 KB |
Output is correct |
4 |
Correct |
2482 ms |
60472 KB |
Output is correct |
5 |
Correct |
1454 ms |
60360 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
199 ms |
12884 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
6492 KB |
Output is correct |
2 |
Correct |
1 ms |
6492 KB |
Output is correct |
3 |
Incorrect |
2 ms |
6616 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
6492 KB |
Output is correct |
2 |
Correct |
1 ms |
6492 KB |
Output is correct |
3 |
Incorrect |
2 ms |
6616 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |